TikTok has become one of the most popular apps in the world — especially among young people. But critics warn it poses unique security and mental health risks, so much so that a number of nations have even banned the Chinese app, describing it as a 'weapon' by software experts. In this episode of the Whistleblowers, John Kiriakou speaks to Dr. Darren Hayes, a professor at Pace University and expert on digital forensics and cyber security.
